(ECOi-Geräte)
1. Error Detection Method
When the discharge temperature is over 106°C.
2. Error Diagnosis
| 1 Adjustment to refrigerant charge |
1-1 | Not additional refrigerant charged | Yes | Additional refrigerant charge |
| No | 2-2 | |||
| 1-2 | Tends to have insufficient refrigerant charge in the system. | Yes | Adjust the refrigerant amount | |
| No | Replace CR board | |||
|
2 |
2-1 |
Service valve inside the outdoor unit closed | Yes | Open service valve |
| No | 2-2 | |||
|
2-2 |
Are the tubes clogged? | Yes | Avoid clogging | |
| No | 2-3 | |||
|
2-3 |
Is the outdoor unit’s electronic control valve operating correctly? (Check for debris clogging the electronic control valve, a problem with the electronical coil and/or the control PC board.) | Yes | 2-4 | |
| No | Replace the electronic control valve | |||
| 2-4 | Is it observable difference in status of the dew or frost between the strainer’s primary and secondary sides? | Yes | Replace the strainer | |
| No | Replace CR board |